Danfoss FC 321 AQUA Drive 3HP(HD) 480V Frame A2 with NEMA Kit

The Danfoss FC 321 AQUA Drive 3HP Heavy Duty is a compact and capable variable frequency drive designed specifically for smaller pump and fan systems in water and wastewater applications. Rated at 3 HP HD at 480V 3-phase. this Frame A2 unit ships complete with a NEMA enclosure kit for flexible panel or standalone mounting. Despite its small size. the FC 321 delivers a full suite of pump-specific features: dry-run and low-pressure protection. pipe fill mode to prevent water hammer. sleep mode for energy efficiency during idle periods. and a built-in PI regulator for closed-loop process control. Modbus RTU communication is standard. Ideal for small booster pump sets. residential and light commercial water supply systems. HVAC pumping circuits. and small irrigation applications.